Finding the Fourth Proportional to 1,028,114.18, 1,418,819.21 and 562,987.59
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Solution
The fourth proportional to 1,028,114.18, 1,418,819.21 and 562,987.59 is: 776,934.73
Step by Step Solution
- Step 1: Write the proportion equation
1,028,114.18 : 1,418,819.21 = 562,987.59 : x - Step 2: Convert to fraction form
1,028,114.18/1,418,819.21 = 562,987.59/x - Step 3: Cross multiply
1,028,114.18x = 1,418,819.21 × 562,987.59 - Step 4: Simplify right side
1,028,114.18x = 798,777,607,673.99 - Step 5: Solve for x
x = 798,777,607,673.99/1,028,114.18 - Step 6: Final answer
x = 776,934.73
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.